C09K 2323/00
Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer
Official title: Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
C09K2323/00 (Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer) appears on 5,183 US grants and 5,153 published applications in this corpus.
Search patents in C09K- Granted patents
- 5,183
- Published applications
- 5,153
- Assignees
- 1,063
- Inventors
- 8,206
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 12 | 0 |
| 1978 | 11 | 0 |
| 1979 | 9 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 16 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 16 | 0 |
| 1989 | 19 | 0 |
| 1990 | 31 | 0 |
| 1991 | 15 | 0 |
| 1992 | 26 | 0 |
| 1993 | 37 | 0 |
| 1994 | 33 | 0 |
| 1995 | 58 | 0 |
| 1996 | 58 | 0 |
| 1997 | 98 | 0 |
| 1998 | 109 | 0 |
| 1999 | 85 | 0 |
| 2000 | 100 | 0 |
| 2001 | 123 | 50 |
| 2002 | 129 | 218 |
| 2003 | 177 | 249 |
| 2004 | 224 | 285 |
| 2005 | 155 | 301 |
| 2006 | 208 | 383 |
| 2007 | 202 | 388 |
| 2008 | 217 | 352 |
| 2009 | 258 | 363 |
| 2010 | 360 | 377 |
| 2011 | 285 | 300 |
| 2012 | 263 | 258 |
| 2013 | 310 | 221 |
| 2014 | 236 | 191 |
| 2015 | 191 | 176 |
| 2016 | 134 | 148 |
| 2017 | 131 | 138 |
| 2018 | 110 | 135 |
| 2019 | 113 | 136 |
| 2020 | 140 | 196 |
| 2021 | 114 | 144 |
| 2022 | 115 | 44 |
| 2023 | 84 | 48 |
| 2024 | 67 | 30 |
| 2025 | 27 | 20 |
| 2026 | 14 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09K 2323/03Viewing layer characterised by chemical compositionIndexing code1,890
- C09K 2323/02Alignment layer characterised by chemical compositionIndexing code1,295
- C09K 2323/05Bonding or intermediate layer characterised by chemical compositionIndexing code847
- C09K 2323/06Substrate layer characterised by chemical compositionIndexing code402
- C09K 2323/04Charge transferring layer characterised by chemical composition, i.e. conductiveIndexing code133
Recent patents
- Optical laminate, polarizing plate, and image device display15 Sep 2026US 12,736,729 B2FUJIFILM Corporation
- Resin composition and display device including adhesive member formed from the resin composition15 Sep 2026US 12,739,318 B2Samsung Display Co., Ltd.
- Composition, polarizer layer, laminate, and image displaying device28 Jul 2026US 12,692,439 B2FUJIFILM Corporation
- Multilayer adhesive sheet, optical member comprising the same and display apparatus comprising the same21 Jul 2026US 12,686,795 B2Samsung SDI.Co., Ltd.
- Polyethylene terephthalate-based resin film, and polarizer, transparent conductive film, touch panel, and image display device using same19 May 2026US 12,631,813 B2Toyobo Co., Ltd.
- Polymerizable liquid crystal formulations20 Aug 2026US 2026/0242666 A1Merck Patent GmbH
- Method for manufacturing image display device, photocurable resin composition, and light transmitting cured resin layer25 Jun 2026US 2026/0175555 A1Dexerials Corporation
- Display panel, alignment film composition and display device18 Dec 2025US 2025/0382418 A1Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTd.
- Liquid crystal alignment quality and stability20 Nov 2025US 2025/0355300 A1Snap Inc.
- Optical laminate, polarizing plate, and image display device2 Oct 2025US 2025/0306256 A1FUJIFILM Corporation
Most cited
By later US patents
- Display apparatus, backplane and mold for making backplane bracket253US 10,531,579 B2Shenzhen China Star Optoelectronics Technology Co., Ltd. · 2020
- Process for producing anisotropic liquid crystal layers on a substrate244US 5,247,377 ARohm GmbH Chemische Fabrik · 1993
- Switchable volume hologram materials and devices234US 5,942,157 AScience Applications International Corporation · 1999
- Light modulating materials comprising a liquid crystal phase dispersed in a birefringent polymeric phase231US 4,994,204 AKent State University · 1991
- Liquid crystal composition and liquid crystal display device182US 8,361,569 B2Jnc Corporation · 2013